gitlab-org--gitlab-foss/spec/initializers/net_http_response_patch_spec.rb

79 lines
2.2 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe 'Net::HTTPResponse patch header read timeout' do
describe '.each_response_header' do
let(:server_response) do
<<~EOS
Content-Type: text/html
Header-Two: foo
Hello World
EOS
end
before do
stub_const('Gitlab::BufferedIo::HEADER_READ_TIMEOUT', 0.1)
end
subject(:each_response_header) { Net::HTTPResponse.each_response_header(socket) { |k, v| } }
context 'with Net::BufferedIO' do
let(:socket) { Net::BufferedIO.new(StringIO.new(server_response)) }
it 'does not forward start time to the socket' do
allow(socket).to receive(:readuntil).and_call_original
expect(socket).to receive(:readuntil).with("\n", true)
each_response_header
end
context 'when the response contains many consecutive spaces' do
before do
expect(socket).to receive(:readuntil).and_return(
"a: #{' ' * 100_000} b",
''
)
end
it 'has no regex backtracking issues' do
Timeout.timeout(1) do
each_response_header
end
end
end
end
context 'with Gitlab::BufferedIo' do
let(:mock_io) { StringIO.new(server_response) }
let(:socket) { Gitlab::BufferedIo.new(mock_io) }
it 'forwards start time to the socket' do
allow(socket).to receive(:readuntil).and_call_original
expect(socket).to receive(:readuntil).with("\n", true, kind_of(Numeric))
each_response_header
end
context 'when the response contains an infinite number of headers' do
before do
read_counter = 0
allow(mock_io).to receive(:read_nonblock) do
read_counter += 1
raise 'Test did not raise HeaderReadTimeout' if read_counter > 10
sleep 0.01
+"Yet-Another-Header: foo\n"
end
end
it 'raises a timeout error' do
expect { each_response_header }.to raise_error(Gitlab::HTTP::HeaderReadTimeout,
/Request timed out after reading headers for 0\.[0-9]+ seconds/)
end
end
end
end
end